The battery constist of many chemicals. When the battery is put in an object, the chemical energy turns into electrical energy and powers your crap.
a storage battery is a type of chemical storge, as it can't use the energy stored until it is needed. a rechargable battery is a good example of this.
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1901.
There are plenty of different battery chemistries available. Lead-acid, Nickel-Iron, Nickel-Cadmium, Lithium...
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